ICD-9-CM procedure code (retired)
76.66 — Total osteoplasty [osteotomy] of maxilla
ICD-9-CM was replaced by ICD-10 on October 1, 2015. These are the ICD-10-PCS equivalents from the CMS General Equivalence Mappings.
About ICD-9-CM 76.66
76.66 is an ICD-9-CM procedure code for total osteoplasty [osteotomy] of maxilla. ICD-9-CM was retired for U.S. claims on October 1, 2015, when ICD-10-PCS took over.
The CMS General Equivalence Mappings translate it to 4 ICD-10-PCS codes, such as 0NQR0ZZ (Repair Maxilla, Open Approach), 0NQR3ZZ (Repair Maxilla, Percutaneous Approach) and 0NQR4ZZ (Repair Maxilla, Percutaneous Endoscopic Approach). All of these are approximate matches, so review the record to pick the right one.
ICD-10-PCS equivalents
Common questions about 76.66
What is the ICD-10 code for ICD-9 76.66?
- The GEMs map 76.66 to ICD-10-PCS 0NQR0ZZ, 0NQR3ZZ, 0NQR4ZZ and 0NQRXZZ.
GEMs are a translation aid, not a substitute for coding from the record. The 2027 ICD-10 code set has changed since the last GEMs release in 2018. Page updated September 29, 2026.